Tentative fix for AVR regressions.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15822 27425a3e-05d8-49a3-a47f-9c15f0e5edd8

demos/AVR/NIL-ARDUINO-MEGA/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/NIL-ARDUINO-MINI/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/NIL-ARDUINO-NANO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/NIL-ARDUINO-UNO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/NIL-DIGISPARK-ATTINY-167/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/NIL-MT-DB-X4/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-ARDUINO-LEONARDO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-ARDUINO-MEGA/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-ARDUINO-MINI/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-ARDUINO-NANO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-ARDUINO-UNO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-DIGISPARK-ATTINY-167/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-MT-DB-X4/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-PRO-MICRO/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/RT-TEENSY2-USB/Makefile

@@ -30,6 +30,16 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/TEST-SUITE-NIL/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/TEST-SUITE-OSLIB/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

demos/AVR/TEST-SUITE-RT/Makefile

@@ -30,6 +30,11 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT =
 endif
 
+# Linker extra options here.
+ifeq ($(USE_LDOPT),)
+  USE_LDOPT = --defsym=__main_thread_stack_base__=0,--defsym=__main_thread_stack_end__=0
+endif
+
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no

os/common/ports/AVR/compilers/GCC/rules.mk

@@ -131,6 +131,11 @@ MATH_LIB = -lm
 LDFLAGS = -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--gc-sections
 LDFLAGS += -Wl,-u,vfprintf -lprintf_min -Wl,-u,vfscanf -lscanf_min -lm
 
+# Linker extra options
+ifneq ($(USE_LDOPT),)
+  LDFLAGS += -Wl,$(USE_LDOPT)
+endif
+
 #
 # Makefile rules
 #

os/common/startup/ARMCMx-SB/compilers/GCC/ld/rules_stacks.ld

@@ -20,8 +20,10 @@ SECTIONS
     {
         . = ALIGN(8);
         __user_psp_base__ = .;
+        __main_thread_stack_base__ = .;
         . += __process_stack_size__;
         . = ALIGN(8);
         __user_psp_end__ = .;
+        __main_thread_stack_end__ = .;
     } > DATA_SPACE
 }